An angel falls from heaven, to the desolate planet purgatory. This angel, named Gia must defeat the four "Kings of Purgatory" to release souls wrongfully imprisoned there, and to free himself. The kings are not the only things Gia has to fear in the dark, deep caves below the terrible planet's surface. A Tragic tale of Action, brotherhood, hope, and the strength of human will depicts the first book in the "Story of Gia" storyline.